Test power: the product's maximum load-bearing power of 150W, following the U (voltage) x I (current) Less than 150W Working power supply: DC19V 4.74A adapter;Channel type: single channel Test batteries: through the four-wire method to measure the charging voltage of 18V within the battery Working mode:①Automatic mode: charging - discharging - re-charging - complete;② Charge then discharge: charge - discharge - complete;③ Discharge first and then charge: discharge - charge - complete;④Charging mode: charging - complete;⑤ Discharge mode: discharge - complete; ⑥Activation Mode: For professional use only, testers are not allowed to leave during use! Forced charging with charging stop voltage, not stop automatically, need to end manually.⑦ online: online computer program control mode of operation (stand-alone version does not have this function) Charging (stop) voltage: Stand-alone: 1.25V-18.0V adjustable, 0.05V/stage Online: free setting within 18V (through computer software) Recharge (stop) voltage: Stand-alone: 1.25V-18.0V adjustable, 0.5V/speed Online: free setting within 18V (via computer software) Charging current: Stand-alone: 0.5A-10A adjustable, 0.5A/speed Online: free setting within 10A (through computer software) (Charging) end current: Stand-alone: 50mA-1.0A adjustable, 50mA/file Online: can be set freely through the online software Discharge current: Stand-alone: 0.5A-20A adjustable, 0.5A/speed Online: Free setting within 20A (via computer software) (Discharge) stop voltage: Stand-alone: 1.0V-16.5V adjustable, 0.05V/speed Online: free setting within 18V (through computer software) Cycle times: Stand-alone: 1-9 times gear adjustable Online: free setting through software Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. voltage: AC220V Colour:White Material:Iron shell Package Contents: 1 set * Charging and discharging battery tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.